〔Overnight Brief〕BOJ Hikes 25bp to 1.25% But Yen Sinks for Fifth Day; Rate Check Pulls USD/JPY From 158 Back Below 157 as Hedge Funds Flip Bullish for First Time Since July 2025 — Europe Sovereigns Redrawn Overnight

0. Overnight Arc

The BOJ delivered the expected 25bp hike to 1.25% but the yen sold off into a fifth losing session, until a Nikkei rate-check report yanked USD/JPY from 158.00 back below 156.80 ^[1][2][3][4]. The European sovereign tape was the second wave: three agencies redrew the map in a single session — France down (Scope A+, DBRS negative at AA), Poland cut to A3, Greece lifted ^{[5][6][7][8][9]}. Hedge funds turned net long yen for the first time since July 2025 ^[10]. Net: hike-cycle conviction hardening in the developed world, with the BOJ's own hike failing to lift the very currency it is trying to tighten ^[1][11][2].

1. Japan: Hike Lands, Yen Sinks, Then Verbal Hand-Brake

• **[NEW] BOJ 25bp to 1.25%** — the move was well-telegraphed; two policymakers dissented, the first split since the hiking cycle began, and the BoE stayed on hold alongside ^[1][12]. Governor Ueda's signals on the next step were read as "mixed" by markets ^[3].
• **[ESCALATED] Rate check pulls USD/JPY off 158.00** — Nikkei reported the BOJ had probed market participants on FX levels, typically a precursor to intervention ^[1][13][4]. The pair came back to 156.80, and the yen briefly jumped one yen on the headline ^[1].
• **[NEW] Hedge funds flip bullish on yen** for the first time since July 2025, weeks after joint US-Japan intervention to support the currency ^[10]. Single-source positioning marker — treat as fragile.
• **[ONGOING] Rate-gap problem unsolved:** a 25bp move does not close the gap with a Fed on hold, which is why the hike failed to support the yen on its own ^[2][14]. Verbal intervention is doing the work policy cannot.

2. European Sovereign Reckoning: France Down, Poland Cut, Greece Lifted

• **[NEW] Scope downgrades France AA- to A+** ^[7][8]; in the same release Scope lifted **Greece to BBB+ from BBB** ^[8].
• **[NEW] Moody's cuts Poland to A3, outlook stable** ^[5][6], and in the same release revised **Greece's outlook to positive** from stable ^[6].
• **[NEW] Morningstar DBRS** holds France at **AA** but puts the outlook on **negative** ^[9].
• **[NEW] Fitch** confirms Kyiv at **CCC** ^[15] and Chile at **A-/stable** ^[16].

Net: France was hit by two of the three agencies reviewing it on Friday, Greece is the upside outlier, and Poland is the negative surprise on a developed European credit. Every rating action above is a single-agency single-release datapoint — flag thin and watch for second-source confirmation.

3. Central Banks: Hike Cycle Crystallizing

• **[NEW] ING flips institutional call:** now expects one more Fed hike and one more ECB hike by year-end, having previously forecast both on hold ^[11]. Rationale: the energy-driven supply shock echoes the 2022 inflation regime; both central banks risk being "behind the curve" if they wait ^[11].
• **[NEW] ECB President Christine Lagarde:** "monitoring markets," no "disorderly" volatility, and rising yields are a "global trend" ^[17] — implicitly declining to push back on the long-end sell-off.
• **[ONGOING] Global rate-hike cycle in view** per Reuters/Kitco, with the Iran-war energy spike cited as the common trigger ^[18][2].
• **[ONGOING] BoE** stays on hold after the super central-bank week ^[12]; Nigeria's MPR decision is pending at **26.5%** ^[19].

4. UK: Retail Sales Beat, Mansion Tax Threshold in Play

• **[NEW] UK retail sales +0.5% m/m in August** vs consensus of -0.2%, boosted by heatwave purchases of sports goods, air-conditioners and fans ^[20]. ONS data — single source, but the print is the largest beat versus expectations in months.
• **[NEW] "Mansion tax" threshold in play:** Labour is considering adjusting the threshold from £1.5M to a level under £2M, per The Times ^[21]. Single-paper policy trial balloon — unverified, but a clear signal of base-broadening intent ahead of next month's budget.

5. Energy and Geopolitics: G7 Reserve-Release Talks

• **[NEW] Saudi Arabia to cut energy supply to Europe in October**; G7 energy ministers convening on a reserve release ^[22]. France called the G7 summit on releasing more oil reserves after an attack on a Saudi pipeline ^[23].
• This is the macro driver ING and the Reuters cycle-piece cite as the supply shock that flips central banks back to hiking ^[11][18]. **Falsifiable test:** whether the G7 actually releases barrels (a coordinated SPR move) or merely signals intent — a verbal-only outcome lets the hike-cycle narrative deflate fast ^[22][23].

**Source quality note:** the rate-check item is a single-source Nikkei relay amplified across three wires ^[1][13][4]; the BOJ-dissent count is single-source ^[1]; each rating action Friday is one-agency-one-release ^{[5][6][7][8][9][16]}; the mansion-tax story is a single UK paper ^[21]; the retail beat is single-source ONS ^[20]. Cite ranges, not points.